For Each File As String In FileSys.GetFiles("C:\图片\")
Dim s As String = FileSys.GetName(File)
Dim img As Image = getimage(file)
Dim g As Graphics = Graphics.FromImage(img)
Dim fnt As New Font("宋体",20)
Dim sz As Object = g.MeasureString(s, fnt)
g.DrawString(s,fnt,Brushes.Green, img.Width - sz.Width - 10, Img.Height - sz.Height - 10)
img.Save(file)
g.Dispose()
Next